<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="index.css">
    <script src="index.js"></script>
</head>
<body>
    <div class="container">
        <div class="options">
            <label>画笔颜色</label>
            <input type="color" value="#7788ff" id="color">
        </div>
        <div class="options">
            <label>画笔粗细</label>
            <input type="range" value="5" min="1" max="50" id="range">
        </div>
        <div class="options">
            <button id="clear">清空画布</button>
        </div>
        <canvas width="1000" height="500"></canvas>
    </div>
</body>
</html>
